Lamp



FIG. 1 is a bottom right perspective view of a lamp showing my new design;

FIG. 2 is a front elevation view thereof, the rear elevation view being a mirror image;

FIG. 3 is a right side elevation view thereof, the left side elevation view being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the lamp which form no part of the claimed design. The curved broken line at the top of the lamp defines the bounds of the claimed design and forms no part thereof. 

CLAIM The ornamental design for a lamp, as shown and described. 